BMW 5 series E34 (1988-1996) front power distribution box Wiring diagrams

BATTERY BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER POTENTIOMETER BLOWER RELAY (IN POWER DISTRIBUTION BOX) BLOWER RESISTORS BLOWER SWITCH BLU WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE CONTROL PANEL ENGINE CONTROL MODULE (DME) (IN E-BOX) 1995 VFTC FRONT POWER DISTRIBUTION BOX FUSE 19 FUSE 27 GRN WIRE GRN/BLU/YEL WIRE GRN/BRN WIRE GRN/BRN/YEL WIRE GRN/GRY WIRE GRN/RED WIRE HI ME HOT AT ALL TIMES IGNITION SWITCH INTERIOR TEMP SENSOR LEFT ROTARY TEMP SWITCH RIGHT ROTARY TEMP SWITCH MAX NCA WIRE OFF ORG/ WIRE POWER DISTRIBUTION RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RUN WIRE SENSOR FAN THERMAL LIMITER VIO/GRY WIRE W/ PARK VENTILATION W/O PARK VENTILATION WATER VALVE SWITCH YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1991 ONLY AUTOMATIC TRANSMISSION RANGE SWITCH BAND SOLENOID BLK WIRE BLK/WHT/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CHECK CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRONIC TRANSMISSION ENGINE SPEED SENSOR ENGINE CONTROLS SYSTEM FRONT POWER DISTRIBUTION BOX FUSE GRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES B+ JUNCTION POINT HOT IN ACCY, RUN AND START HOT IN RUN AND START HYDRAULIC PRESSURE REGULATOR INSTRUMENT CLUSTER NCA WIRE OIL TEMPERATURE SENSOR ORG/ WIRE PROGRAM SWITCH RED WIRE RED/BLU WIRE SHIFT LOCK SOLENOID SOLENOID VALVE 1 SOLENOID VALVE 2 TORQUE CONVERTER CLUTCH SOL VALVE TRANSMISSION CONTROL MODULE (EGS) TRANSMISSION KICKDOWN SWITCH TRANSMISSION VALVE UNIT TRANSPARENT VIO WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CLR DATA LINK CONNECTOR ENGINE CONTROLS SYSTEM FRONT POWER DISTRIBUTION BOX FUSE GRN WIRE GRN/BLK WIRE GRN/BLU/YEL WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES B+ JUNCTION POINT HOT IN ACCY, RUN AND START HOT IN RUN AND START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM KICK DOWN SWITCH NCA WIRE OIL TEMPERATURE SENSOR ORG/ WIRE PRESSURE REGULATOR 1 PRESSURE REGULATOR 2 PRESSURE REGULATOR 3 PRESSURE REGULATOR 4 PRESSURE REGULATOR 5 PROGRAM SWITCH RED WIRE RED/BLU WIRE SHIFT LOCK SOLENOID SOLENOID VALVE 1 SOLENOID VALVE 2 SOLENOID VALVE 3 SPEED SENSOR SHAFT SPEED SENSOR TURBINE TRANSMISSION CONTROL MODULE (AGS) TRANSMISSION RANGE SWITCH TRANSMISSION VALVE UNIT VIO WIRE WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

& STARTER IMMOBILIZER RELAY 62 63 64 65 66 67 68 69 70 TPS-ABS/ASC A/C SW A/C PRESS DRIVE-AWAY SIG A/C SYSTEM A/T AUTOMATIC TRANSMISSION RANGE SWITCH (BELOW CENTER CONSOLE) AUXILIARY FAN, A/C PRESSURE SWITCH BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/WHT/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE CRANKSHAFT POSITION/ RPM SENSOR (RIGHT FRONT OF ENGINE) CRUISE CONTROL MODULE CYL 1-3 KNOCK SENSOR (TOP FRONT OF ENGINE) CYL 4-6 KNOCK SENSOR (TOP FRONT OF ENGINE) CYL 4-6 KS CYL 1-3 KS KS/SHLD GND DATA LINK CONNECTOR (FRONT OF BATTERY) E-BOX ENGINE CONTROL MODULE (DME) (REAR RIGHT SIDE OF ENGINE COMPT IN E-BOX) FRONT POWER DISTRI- BUTION BOX (LEFT REAR OF ENGINE COMPT) FRONT POWER DISTRIBUTION BOX FUEL PUMP, FUEL LEVEL SENSOR (RIGHT SIDE OF LUGGAGE COMPT.) FUSE 17 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/YEL WIRE HALL EFFECT CAMSHAFT SENSOR (FRONT OF ENGINE) HEATED OXYGEN SENSOR (ON CATALYTIC CONVERTER) HOT FILM AIR MASS METER (TOP FRONT OF ENGINE) HOT IN RUN AND START HOT IN RUN AND START ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) IAT SENS ECT SENS INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (FRONT OF ENGINE) INTEGRATED CLIMATE REGULATION CONTROL MODULE M/T MALFUNCTION INDICATOR (CHECK ENGINE) NCA WIRE ON-BOARD COMPUTER, INSTRUMENT CLUSTER ORG/ WIRE OXYGEN SENSOR RELAY P/N P/N INPUT TPS-REDUCE TPS-INCREASE 82 83 84 85 86 87 88 PROGRAM VOLT RED WIRE RED/WHT WIRE RED/YEL WIRE RXD DATA TXD DATA SLIP CONTROL MODULE STARTER IMMOBILIZATION RELAY THROTTLE POSITION SENSOR (THROTTLE BODY) TPS TRANSMISSION CONTROL MODULE (EGS) (REAR RIGHT SIDE OF ENGINE COMPT, IN E-BOX) VEHICLE SPEED OUTPUT VIO WIRE VIO/GRY WIRE W/ A/T WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE ELECTRONICS BOX FAN ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR SIDE OF ENGINE) ENGINE INTAKE AIR TEMPERATURE SENSOR (TOP FRONT OF ENGINE COMPT.) FRONT POWER DISTRIBUTION BOX FUSE GRN WIRE GRN/VIO WIRE IGNITION COILS (TOP LEFT SIDE OF ENGINE, ABOVE RESPECTIVE CYLINDERS) NCA WIRE OIL PRESSURE INDICATOR OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE SHIELD SHIELDED WIRES SPARK PLUG #5 SPARK PLUG #6 SPARK PLUG #7 SPARK PLUG #8 TEMPERATURE SWITCH (IN ELEC- TRONICS BOX) THROTTLE POSITION SENSOR (TOP FRONT OF ENGINE COMPT.) VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE ELECTRONICS BOX FAN ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR SIDE OF ENGINE) ENGINE INTAKE AIR TEMPERATURE SENSOR (TOP FRONT OF ENGINE COMPT.) FRONT POWER DISTRIBUTION BOX FUSE GRN WIRE GRN/VIO WIRE IGNITION COILS (TOP LEFT SIDE OF ENGINE, ABOVE RESPECTIVE CYLINDERS) NCA WIRE OIL PRESSURE INDICATOR OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE SHIELD SHIELDED WIRES SPARK PLUG #5 SPARK PLUG #6 SPARK PLUG #8 SPARK PLUG #7 TEMPERATURE SWITCH (IN ELEC- TRONICS BOX) THROTTLE POSITION SENSOR (TOP FRONT OF ENGINE COMPT.) VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE ELECTRONICS BOX FAN ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR SIDE OF ENGINE) ENGINE INTAKE AIR TEMPERATURE SENSOR (TOP FRONT OF ENGINE COMPT.) FRONT POWER DISTRIBUTION BOX FUSE GRN WIRE GRN/VIO WIRE IGNITION COILS (TOP LEFT SIDE OF ENGINE, ABOVE RESPECTIVE CYLINDERS) NCA WIRE OIL PRESSURE INDICATOR OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE SHIELD SHIELDED WIRES SPARK PLUG #5 SPARK PLUG #6 SPARK PLUG #7 SPARK PLUG #8 TEMPERATURE SWITCH (IN ELEC- TRONICS BOX) THROTTLE POSITION SENSOR (TOP FRONT OF ENGINE COMPT.) VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE ELECTRONICS BOX FAN ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR SIDE OF ENGINE) ENGINE INTAKE AIR TEMPERATURE SENSOR (TOP FRONT OF ENGINE COMPT.) FRONT POWER DISTRIBUTION BOX FUSE GRN WIRE GRN/VIO WIRE IGNITION COILS (TOP LEFT SIDE OF ENGINE, ABOVE RESPECTIVE CYLINDERS) NCA WIRE OIL PRESSURE INDICATOR OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE SHIELD SHIELDED WIRES SPARK PLUG #5 SPARK PLUG #6 SPARK PLUG #8 SPARK PLUG #7 TEMPERATURE SWITCH (IN ELEC- TRONICS BOX) THROTTLE POSITION SENSOR (TOP FRONT OF ENGINE COMPT.) VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE